Plate Motion

2. moving toward the same place
4. an extinct reptile that lived about 300 million years ago
8. hot liquid rock on the surface of Earth
10. the place where two plates meet
11. water
12. the layer of soft, solid rock underneath Earth’s plates
16. the sudden pushing out of something, such as lava from a volcano
17. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation,
18. the outside or top layer of something
19. moving apart in different directions
20. the slow pulling apart of land that is caused by plate movement
21. one of the very large sections of hard, solid rock that make up Earth’s outer layer

1. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
3. any of Earth’s main continuous areas of land
5. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
6. to examine in detail for a purpose
7. an underwater mountain range formed when two plates move apart
9. gas, lava, and ash are pushed to the surface
13. a sudden shaking of Earth's surface
14. a diagram that shows what the inside of something looks like
15. a long, deep indentation in the ocean floor formed when two plates move together
20. how often or fast something happens